power, we must multiply and enhance our efforts by working through coalitions of common interest like nato. this is in fact our future. just as we have done since world war ii, but it now may be more essential than ever before. while these challenges are not america's responsibilities alone, they will demand america's continued engagement. no other nation, no other nation has the will, the power, the cast the, "he, and a network of alliances to lead international community in addressing them. however, sustaining our leadership will increasingly depend not only on the extent of an great power, but in appreciation of its limits and a wide appointment of our influence. we must not fall prey to the notion of american decline. that is a false choice. and far too simple an explanation. we must remain the world's only global leader. the insidious disease of hubris can undo america's great strengths. we almost not fall prey to hubris. national and personal executives about change and the rate of change will continue to dominate much of our public debate. these must he placed in a broader on texts,